CN101682208B - Electric system control device and control method - Google Patents
Electric system control device and control method Download PDFInfo
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- CN101682208B CN101682208B CN2008800196062A CN200880019606A CN101682208B CN 101682208 B CN101682208 B CN 101682208B CN 2008800196062 A CN2008800196062 A CN 2008800196062A CN 200880019606 A CN200880019606 A CN 200880019606A CN 101682208 B CN101682208 B CN 101682208B
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- 230000007246 mechanism Effects 0.000 claims description 167
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- 230000014509 gene expression Effects 0.000 description 8
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000205 computational method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
- H02J7/0018—Circuits for equalisation of charge between batteries using separate charge circuits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/20—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having different nominal voltages
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
- H02J7/0019—Circuits for equalisation of charge between batteries using switched or multiplexed charge circuits
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
An ECU executes a program in an electric system including a first converter and a second converter which are connected in parallel. The program includes: a step (S110) which selects a charge mode of a first battery pack connected to the first converter and a charge mode of a second battery pack connected to the second converter; and steps (S140, S150) which controls a charger connected to the first battery pack, the first converter, and the second converter and charges the first battery pack and the second battery pack by the selected charge mode.
Description
Technical field
The present invention relates to the control device and the control method of electrical system, the technology of particularly under the pattern of individual settings, each electric power storage mechanism being charged.
Background technology
In the past, the PHEV that the known actuating force of utilizing electric motor is gone, electric automobile etc.On these vehicles, be equipped with the battery of storage to the electric power of supplying with as the electric motor of drive source.
Japanese kokai publication hei 8-37703 communique discloses following mixed power electric car, and this mixed power electric car possesses: the battery that is charged by external charger; Be used to come the drive motor of drive wheels from the electric power of battery; The engine that uses indirectly for drive wheels; The control part of the work of control motor and engine; And judge whether battery satisfies the judging part of predetermined specification.When by battery specification judgment unit judges being battery when not satisfying predetermined specification, at least one side of control part control motor or engine makes the output of restriction drive motor.
In order to prolong the distance that once charging can be gone, consideration comes the increase capacity through the quantity that increase is equipped on the electric power storage mechanisms such as battery of vehicle.Yet, under the situation that is equipped with a plurality of electric power storage mechanism on the vehicle, may not necessarily make the charged state of all electric power storage mechanisms identical.For example, possibly be mixed with the sufficient electric power storage of charging mechanism and the inadequate electric power storage of charging mechanism.Therefore, the residual capacity of each electric power storage mechanism etc. maybe be different.When the residual capacity of each electric power storage mechanism etc. not simultaneously, the speed of the deterioration of each electric power storage mechanism maybe be different.But, in japanese kokai publication hei 8-37703 communique, have no record about such problem.
Summary of the invention
The objective of the invention is to, a kind of control device and control method of electrical system of difference of the degradation speed that can dwindle a plurality of electric power storage mechanism is provided.
A kind of control device of electrical system of mode possesses: first transformer that changes voltage; Be connected, change second transformer of voltage with first transformers connected in parallel; Be connected in the first electric power storage mechanism of first transformer, store power; Be connected in the second electric power storage mechanism of second transformer, store power; Be connected in the charger of the first electric power storage mechanism for supply capability; And arithmetic element.Arithmetic element; Selection is to the pattern of the charging of the first electric power storage mechanism; Selection is to the pattern of the charging of the second electric power storage mechanism, and control charger, first transformer and second transformer make and under selected pattern, the first electric power storage mechanism and the second electric power storage mechanism charged.
According to this structure, first transformer is connected with second transformers connected in parallel.On first transformer, connect the first electric power storage mechanism.On second transformer, connect the second electric power storage mechanism.In the first electric power storage mechanism, connect charger.Individually select pattern to the charging of each electric power storage mechanism.Control charger, first transformer and second transformer make and under selected pattern, the first electric power storage mechanism and the second electric power storage mechanism are charged.Thus, can under the pattern corresponding, charge to each electric power storage mechanism with the state of each electric power storage mechanism.Therefore, for example through fully all electric power storage mechanisms being charged, thereby can make the residual capacity of each electric power storage mechanism become equal.Its result can provide a kind of control device or control method of electrical system, and it can dwindle the difference of the degradation speed of a plurality of electric power storage mechanism.
Preferably, arithmetic element is controlled first transformer and second transformer, makes and under selected pattern, the second electric power storage mechanism is charged; The control charger makes and under selected pattern, the first electric power storage mechanism is charged.
According to this structure, through controlling first transformer and second transformer, thereby under selected pattern, the second electric power storage mechanism is charged, and, through the control charger, thereby under selected pattern, the first electric power storage mechanism is charged.Thus, can the electric power of charger output directly be supplied to the first electric power storage mechanism, and, can the electric power of charger output be indirectly supplied to the second electric power storage mechanism.Therefore, can charge to the first electric power storage mechanism and the second electric power storage mechanism fully.
More preferably, arithmetic element, the control charger makes the electric current that the electric current that will supply with to the first electric power storage mechanism through output and the current summation of supplying with to the second electric power storage mechanism obtain, thereby under selected pattern, the first electric power storage mechanism is charged.
According to this structure, the control charger makes that output will be to electric current and the electric current behind the current summation that the second electric power storage mechanism supplies with that the first electric power storage mechanism supplies with.Thus, can be to the first electric power storage mechanism and second electric power storage mechanism supplying electric current fully.
More preferably, arithmetic element, to select to make electric power to the charging of the first electric power storage mechanism be constant pattern with, to make electric current to the charging of the first electric power storage mechanism be any pattern in the constant pattern; Selection makes electric power to second electric power storage mechanism charging be constant pattern with, to make electric current to the charging of the second electric power storage mechanism be any pattern in the constant pattern.
According to this structure, can be constant pattern with making electric current at the electric power that makes charging be under any pattern in the constant pattern, each electric power storage mechanism is charged.
More preferably; Arithmetic element is lower than under the situation of threshold value in the residual capacity of the first electric power storage mechanism, and selecting to make the electric power to the charging of the first electric power storage mechanism is constant pattern; Residual capacity in the first electric power storage mechanism is higher than under the situation of threshold value; It is constant pattern that selection makes the electric current to first electric power storage mechanism charging, is lower than under the situation of threshold value in the residual capacity of the second electric power storage mechanism, and selecting to make the electric power to the charging of the second electric power storage mechanism is constant pattern; Residual capacity in the second electric power storage mechanism is higher than under the situation of threshold value, and selecting to make the electric current to the charging of the second electric power storage mechanism is constant pattern.
According to this structure, be lower than in residual capacity under the situation of threshold value, be under the constant-mode each electric power storage mechanism to be charged making electric power.Being higher than in residual capacity under the situation of threshold value, is under the constant-mode each electric power storage mechanism to be charged making electric current.Therefore, under the lower state of residual capacity, can charge with constant electric power, thereby apace electric power storage mechanism is charged.Under the higher state of residual capacity, can charge with constant electric current, thereby the residual capacity that charges to electric power storage mechanism roughly becomes maximum.Thus, can shorten for electric power storage mechanism is charged the needed time, and can charge to electric power storage mechanism fully.
More preferably, arithmetic element under the little situation of the minimum value of the electric current that the desired value ratio of the electric current that charges to the second electric power storage mechanism is exported from second transformer, is controlled second transformer, feasible intermittently output current.
According to this structure, under the little situation of the minimum value of the electric current that the desired value ratio of the electric current that charges to the second electric power storage mechanism is exported from second transformer, control second transformer, feasible intermittently output current.Thus, can make from the mean value of the electric current of second electric power storage mechanism output and be lower than minimum value.Therefore, can with than from the low electric current supply of the minimum value of the electric current of second transformer output to the second electric power storage mechanism.
More preferably; Arithmetic element; Control charger, first transformer and second transformer make with the charge mode of the first electric power storage mechanism mode different with the charge mode of the second electric power storage mechanism, simultaneously the first electric power storage mechanism and the second electric power storage mechanism are charged.
According to this structure, under different patterns, the first electric power storage mechanism and the second electric power storage mechanism are charged simultaneously.Thus, can with the corresponding pattern of the state of each electric power storage mechanism under apace each electric power storage mechanism is charged.
Description of drawings
Fig. 1 is the summary construction diagram of expression PHEV.
Fig. 2 is the functional block diagram of ECU.
Fig. 3 is the figure of the current value under expression CP charge mode and the CV charge mode.
Fig. 4 is the figure of expression from the current value of second transducer output.
Fig. 5 is the figure that the control of the program of expression ECU execution is constructed.
Fig. 6 is the figure (one of which) of the residual capacity of expression battery pack.
Fig. 7 is the figure (its two) of the residual capacity of expression battery pack.
Fig. 8 is the figure (its three) of the residual capacity of expression battery pack.
Fig. 9 is the figure (its four) of the residual capacity of expression battery pack.
Figure 10 is the figure (its five) of the residual capacity of expression battery pack.
Embodiment
Below, with reference to accompanying drawing execution mode of the present invention is described.In following explanation, the symbol identical to identical parts mark.Their title is also identical with function.Therefore, do not repeat detailed description about them.
With reference to Fig. 1, the PHEV of the control device of the electrical system that is equipped with this execution mode is described.Motor generator) 200, converter (inverter on this PHEV, be equipped with: engine 100, MG (Motor Generator:; Inverter) 300, first transducer 410, second transducer 420, first battery pack 510, second battery pack 520, charger 600 and ECU (Electronic Control Unit, electronic control unit) 1000.ECU1000 can be divided into a plurality of ECU.
Electrical system comprises MG200, converter 300, first transducer 410, second transducer 420, first battery pack 510, second battery pack 520 and charger 600.PHEV is used to go from least one side's of engine 100 and MG200 actuating force.
MG200 is a three phase alternating current motor.MG200 uses the electric power that is stored in first battery pack 510 and second battery pack 520 to drive.Supplying with by converter 300 to MG200 is the electric power that exchanges from DC converting.
The actuating force of MG200 is passed to wheel.Thus, MG200 assisted engine 100 perhaps is used to make vehicle ' from the actuating force of MG200.On the other hand, when the regenerative braking of PHEV, by wheel drive MG200, thereby MG200 carries out work as generator.Thus, MG200 carries out work as braking energy is transformed to the regeneration brake of electric power.Electric power by the MG200 generating produces after being direct current by converter 300 from exchange conversion, is stored in first battery pack 510 and second battery pack 520.
On the positive terminal of first battery pack 510 and negative terminal, be connected charger 600.Therefore, be connected in parallel with respect to charger 600, the first battery pack 510 and second battery pack 520.What need explanation is that (capacitor condenser) replaces battery can to use capacitor.
In this execution mode, first battery pack 510 and second battery pack 520 are that constant pattern (below, also be designated as the CP charge mode) or magnitude of voltage are to charge under the constant pattern (below, also be designated as the CV charge mode) at power value.
What need explanation is, can use current value is that constant pattern (below, also be designated as the CC charge mode) is come replaced C V charge mode.That is to say, can under CP charge mode or CC charge mode, charge first battery pack 510 and second battery pack 520.
ECU1000 calculates the residual capacity (SOC:State Of Charge) of first battery pack 510 and second battery pack 520 according to magnitude of voltage of importing from these transducers and current value etc.The computational methods of residual capacity utilize known general technology to get final product, so do not repeat its detailed description at this.
With reference to Fig. 2, the function of ECU1000 is described.Below the function of the ECU1000 of explanation can be realized by software, also can be realized by hardware.
ECU1000 comprises the first selection portion 1101, the second selection portion 1102, first control part 1111, second control part 1112 and correction portion 1114.
The first selection portion 1101 decides the charge mode of first battery pack 510 according to the residual capacity of first battery pack 510.As shown in Figure 3, be lower than under the situation of threshold value SOC (0) in the residual capacity of first battery pack 510, select the CP charge mode.Residual capacity in first battery pack 510 is under the situation more than the threshold value SOC (0), selects the CV charge mode.
The second selection portion 1102 decides the charge mode of second battery pack 520 according to the residual capacity of second battery pack 520.Residual capacity in second battery pack 520 is lower than under the situation of threshold value SOC (0), selects the CP charge mode.Residual capacity in second battery pack 520 is under the situation more than the threshold value SOC (0), selects the CV charge mode.
First control part, 1111 control first transducer 410 and second transducers 420 make and under the charge mode of selecting, second battery pack 520 are charged.For example, establish the voltage of the outlet side (side that connects second transducer 420) of first transducer 410 higher, thereby second battery pack 520 is charged than the voltage of the outlet side (side that connects first transducer 410) of second transducer 420.To the power value or the current value of second battery pack 520 charging, can change according to the difference of the voltage of the outlet side of the voltage of the outlet side of first transducer 410 and second transducer 420.
In addition, first control part, 1111 control chargers 600 make and under selected pattern, first battery pack 510 are charged.Charger 600 is controlled to output will be to electric current and the electric current behind the current summation that second battery pack 520 is supplied with that first battery pack 510 is supplied with.
The desired value of the power value of supplying with to first battery pack 510 or the desired value of current value, for example the residual capacity according to first battery pack 510 waits to confirm.In addition, under the CP charge mode,, then must confirm the desired value of current value according to the voltage of first battery pack 510 if the desired value of power value is determined.
Likewise, the desired value of the power value of supplying with to second battery pack 520 or the desired value of current value, for example the residual capacity according to second battery pack 520 waits to confirm.In addition, under the CP charge mode,, then must confirm the desired value of current value according to the voltage of second battery pack 520 if the desired value of power value is determined.
Under control first transducer 410 and charger 600 make the situation of output currents intermittently, can current value be " 0 " during, the detected value of correcting current transducer 1021 and current sensor 1023.
With reference to Fig. 5, the control structure of the program that ECU1000 is carried out describes.The procedure stores that can be carried out by ECU1000 circulates it in CD (Compact Dist, CD), DVD storage mediums such as (DigitalVersatile Disc, digital versatile discs) on market.
In step (below, step brief note is S) 100, ECU1000 judges the power supply that on charger 600, whether has connected the outside of PHEV.When the power supply of the outside that on charger 600, has connected PHEV (among the S100 " being "), handle moving to S110.Otherwise (among the S100 " denying "), this processing finishes.
In S110, ECU1000 selects the charge mode of first battery pack 510 and the charge mode of second battery pack 520.
In S120, the minimum value of the current value whether desired value that ECU1000 judges the current value of supplying with to second battery pack 520 can be exported than second transducer 420 is low.(" be ") to handle moving to S140 among the S120 when the desired value of current value is lower than minimum value.Otherwise (among the S120 " denying ") handles moving to S130.
In S130, ECU1000 charges to first battery pack 510 and second battery pack 520 under selected pattern.That is to say, control first transducer 410, second transducer 420 and charger 600, make and under selected pattern, first battery pack 510 and second battery pack 520 are charged.
In S140, ECU1000 controls second transducer, 420 feasible intermittently output currents, under selected pattern, first battery pack 510 and second battery pack 520 is charged simultaneously.
In S150, ECU1000 the current value from the output of second transducer 420 be " 0 " during, the detected value that is arranged on the current sensor 1022 between second transducer 420 and second battery pack 520 is revised.
Based on the structure and the flow chart of above that kind, the action of the ECU1000 of the control device of execution mode is described.
When the power supply of the outside that on charger 600, has connected PHEV (among the S100 " being "), the charge mode of first battery pack 510 and the charge mode of second battery pack 520 are selected (S110).
When the minimum value of the current value that can export than second transducer 420 when the desired value of the current value of supplying with to second battery pack 520 is hanged down (among the S120 " being "); Control second transducer 420 and make intermittently output currents, simultaneously under the charge mode of selecting to first battery pack 510 and second battery pack 520 charge (S140).
For example; Under the situation of residual capacity less than threshold value SOC (0) of the residual capacity of first battery pack 510 in the moment that begins to charge and second battery pack 520; As shown in Figure 6, can under CP charge mode and CV charge mode, charge simultaneously to first battery pack 510 and second battery pack 520.
In the residual capacity of first battery pack 510 be more than the threshold value SOC (0), under the situation of residual capacity less than threshold value SOC (0) of second battery pack 520; As shown in Figure 7; Can under the CV charge mode, charge, and under CP charge mode and CV charge mode, second battery pack 520 charged first battery pack 510.
Is under the situation more than the threshold value SOC (0) in the residual capacity of first battery pack 510 less than the residual capacity of threshold value SOC (0), second battery pack 520; As shown in Figure 8; Can under CP charge mode and CV charge mode, charge, and under the CV charge mode, second battery pack 520 charged first battery pack 510.
Under the situation that a side's in first battery pack 510 and second battery pack 520 charging finishes, also can there be the situation of only the opposing party's battery pack being charged.
What need explanation is, as shown in Figure 9, can replace simultaneously first battery pack 510 and second battery pack 520 being charged, and after first battery pack 510 having been carried out charge, second battery pack 520 charged.Conversely, shown in figure 10, can after second battery pack 520 having been carried out charging, first battery pack 510 be charged.
Under the situation of alternately first battery pack 510 and second battery pack 520 being charged; Also can depend on the residual capacity of battery pack; Under the CV charge mode, a side battery pack is charged, and under CP charge mode and CV charge mode, the opposing party's battery pack is charged.
The current value from the output of second transducer 420 be " 0 " during, the detected value that is arranged on the current sensor 1022 between second transducer 420 and second battery pack 520 is revised (S150).
When the desired value of the current value of supplying with to second battery pack 520 is the minimum value of the current value that can export of second transducer 420 when above (" deny ") among the S130, under the charge mode of selection to first battery pack 510 and second battery pack 520 charge (S130).At this moment, second transducer 420 is controlled as output current continuously.
As stated, according to the control device of the electrical system of this execution mode, first battery pack of individually selecting to be connected in parallel with each other and the charge mode of second battery pack.Control first transducer, second transducer and charger, make and under the charge mode of selecting, first battery pack and second battery pack are charged.Thus, can with the corresponding charge mode of the state of each battery pack under each battery pack is charged.Therefore, can charge to all battery pack fully.That is to say, can make the residual capacity of each battery pack become equal.Its result can dwindle the difference of the degradation speed of battery pack.
Should think, this disclosed execution mode, all be in all respects illustration and and nonrestrictive content.Scope of the present invention is not by above-mentioned explanation but represented by claim, comprises and the equal implication of claim and all changes in the scope.
Claims (21)
1. the control device of an electrical system possesses:
Change first transformer (410) of voltage;
Be connected in parallel, change second transformer (420) of voltage with said first transformer (410);
Be connected in the first electric power storage mechanism (510) of said first transformer (410), store power;
Be connected in the second electric power storage mechanism (520) of said second transformer (420), store power;
Be connected in the charger (600) of the said first electric power storage mechanism (510) for supply capability; And
Arithmetic element (1000),
Said arithmetic element (1000),
Selection is to the pattern of the charging of the said first electric power storage mechanism (510),
Selection is to the pattern of the charging of the said second electric power storage mechanism (520),
Control said charger (600), said first transformer (410) and said second transformer (420), make and under selected pattern, the arbitrary at least side in said first electric power storage mechanism (510) and the said second electric power storage mechanism (520) is charged.
2. the control device of electrical system according to claim 1, wherein,
Said arithmetic element (1000),
Control said first transformer (410) and said second transformer (420), make and under selected pattern, the said second electric power storage mechanism (520) is charged;
Control said charger (600), make and under selected pattern, the said first electric power storage mechanism (510) is charged.
3. the control device of electrical system according to claim 2, wherein,
Said arithmetic element (1000); Control said charger (600); Make the electric current that to supply with to the said first electric power storage mechanism (510) through output and the electric current that obtains to the current summation of the said second electric power storage mechanism (520) supply, thereby under selected pattern, the said first electric power storage mechanism (510) is charged.
4. the control device of electrical system according to claim 1, wherein,
Said arithmetic element (1000),
It is constant pattern with making electric current to the charging of the said first electric power storage mechanism (510) is any pattern in the constant pattern that selection makes electric power to the charging of the said first electric power storage mechanism (510),
It is constant pattern with making electric current to the charging of the said second electric power storage mechanism (520) is any pattern in the constant pattern that selection makes electric power to the charging of the said second electric power storage mechanism (520).
5. the control device of electrical system according to claim 4, wherein,
Said arithmetic element (1000),
Residual capacity in the said first electric power storage mechanism (510) is lower than under the situation of threshold value; It is constant pattern that selection makes the electric power to the charging of the said first electric power storage mechanism (510); Residual capacity in the said first electric power storage mechanism (510) is higher than under the situation of threshold value; It is constant pattern that selection makes the electric current to the charging of the said first electric power storage mechanism (510)
Residual capacity in the said second electric power storage mechanism (520) is lower than under the situation of threshold value; It is constant pattern that selection makes the electric power to the charging of the said second electric power storage mechanism (520); Residual capacity in the said second electric power storage mechanism (520) is higher than under the situation of threshold value, and selecting to make the electric current to the charging of the said second electric power storage mechanism (520) is constant pattern.
6. the control device of electrical system according to claim 1, wherein,
Said arithmetic element (1000); Under the little situation of the minimum value of the electric current that the desired value ratio of the electric current that charges to the said second electric power storage mechanism (520) is exported from said second transformer (420); Control said second transformer (420), feasible intermittently output current.
7. the control device of electrical system according to claim 1, wherein,
Said arithmetic element (1000); Control said charger (600), said first transformer (410) and said second transformer (420); Make with the charge mode of the said first electric power storage mechanism (510) and the different mode of charge mode of the said second electric power storage mechanism (520), simultaneously said first electric power storage mechanism (510) and the said second electric power storage mechanism (520) are charged.
8. the control method of an electrical system, said electrical system is provided with: first transformer (410) that changes voltage; Be connected in parallel, change second transformer (420) of voltage with said first transformer (410); Be connected in the first electric power storage mechanism (510) of said first transformer (410), store power; Be connected in the second electric power storage mechanism (520) of said second transformer (420), store power; And the charger (600) that is connected in the said first electric power storage mechanism (510) for supply capability, this control method comprises:
Selection is to the step of the pattern of the charging of the said first electric power storage mechanism (510);
Selection is to the step of the pattern of the charging of the said second electric power storage mechanism (520); And
Control said charger (600), said first transformer (410) and said second transformer (420), make the step of under selected pattern, the arbitrary at least side in said first electric power storage mechanism (510) and the said second electric power storage mechanism (520) being charged.
9. the control method of electrical system according to claim 8, wherein,
The step of controlling said charger (600), said first transformer (410) and said second transformer (420) comprises:
Control said first transformer (410) and said second transformer (420), make the step of under selected pattern, the said second electric power storage mechanism (520) being charged; With
Control said charger (600), make the step of under selected pattern, the said first electric power storage mechanism (510) being charged.
10. the control method of electrical system according to claim 9, wherein,
The step of controlling said charger (600) comprises the steps: to control said charger (600); Make the electric current that to supply with to the said first electric power storage mechanism (510) through output and the electric current that obtains to the current summation of the said second electric power storage mechanism (520) supply, thereby under selected pattern, the said first electric power storage mechanism (510) is charged.
11. the control method of electrical system according to claim 8, wherein,
To comprise the steps: to select to make electric power to the charging of the said first electric power storage mechanism (510) be constant pattern with making electric current to the charging of the said first electric power storage mechanism (510) is any pattern in the constant pattern to the step of the pattern of the charging of the said first electric power storage mechanism (510) in selection
To comprise the steps: to select to make electric power to the charging of the said second electric power storage mechanism (520) be constant pattern with making electric current to the charging of the said second electric power storage mechanism (520) is any pattern in the constant pattern to the step of the pattern of the charging of the said second electric power storage mechanism (520) in selection.
12. the control method of electrical system according to claim 11, wherein,
Selection makes to the said first electric power storage mechanism; (510) electric power of charging is constant pattern and makes to the said first electric power storage mechanism; (510) electric current of charging is the step of any pattern in the constant pattern; Comprise the steps: in the said first electric power storage mechanism; (510) residual capacity is lower than under the situation of threshold value; Selection makes to the said first electric power storage mechanism; (510) electric power of charging is constant pattern; In the said first electric power storage mechanism; (510) residual capacity is higher than under the situation of threshold value; Selection makes to the said first electric power storage mechanism; (510) electric current of charging is constant pattern
It is constant pattern with making electric current to the charging of the said second electric power storage mechanism (520) is the step of any pattern in the constant pattern that selection makes electric power to the charging of the said second electric power storage mechanism (520); Comprise the steps: to be lower than under the situation of threshold value in the residual capacity of the said second electric power storage mechanism (520); It is constant pattern that selection makes the electric power to the charging of the said second electric power storage mechanism (520); Residual capacity in the said second electric power storage mechanism (520) is higher than under the situation of threshold value, and selecting to make the electric current to the charging of the said second electric power storage mechanism (520) is constant pattern.
13. the control method of electrical system according to claim 8, wherein,
Said control method also comprises the steps: under the little situation of the minimum value of the electric current that the desired value ratio of the electric current that charges to the said second electric power storage mechanism (520) is exported from said second transformer (420); Control said second transformer (420), feasible intermittently output current.
14. the control method of electrical system according to claim 8, wherein,
Control the step of said charger (600), said first transformer (410) and said second transformer (420); Comprise the steps: to control said charger (600), said first transformer (410) and said second transformer (420); Make with the charge mode of the said first electric power storage mechanism (510) and the different mode of charge mode of the said second electric power storage mechanism (520), simultaneously said first electric power storage mechanism (510) and the said second electric power storage mechanism (520) are charged.
15. the control device of an electrical system possesses:
Change first transformer (410) of voltage;
Be connected in parallel, change second transformer (420) of voltage with said first transformer (410);
Be connected in the first electric power storage mechanism (510) of said first transformer (410), store power;
Be connected in the second electric power storage mechanism (520) of said second transformer (420), store power;
Be connected in the charger (600) of the said first electric power storage mechanism (510) for supply capability;
First selected cell (1000), it is used for selecting the pattern to the charging of the said first electric power storage mechanism (510);
Second selected cell (1000), it is used for selecting the pattern to the charging of the said second electric power storage mechanism (520); And
Control unit (1000); It is used to control said charger (600), said first transformer (410) and said second transformer (420), makes under selected pattern, the arbitrary at least side in said first electric power storage mechanism (510) and the said second electric power storage mechanism (520) to be charged.
16. the control device of electrical system according to claim 15, wherein,
Said control unit (1000) comprising:
Be used to control said first transformer (410) and said second transformer (420), make the unit that under selected pattern, the said second electric power storage mechanism (520) is charged; With
Charger control unit (1000), it is used to control said charger (600), makes under selected pattern, the said first electric power storage mechanism (510) to be charged.
17. the control device of electrical system according to claim 16, wherein,
Said charger control unit (1000) has like lower unit: be used to control said charger (600); Make the electric current that to supply with to the said first electric power storage mechanism (510) through output and the electric current that obtains to the current summation of the said second electric power storage mechanism (520) supply, thereby under selected pattern, the said first electric power storage mechanism (510) is charged.
18. the control device of electrical system according to claim 15, wherein,
Said first selected cell (1000) comprises first mode selecting unit; It is constant pattern with making electric current to the charging of the said first electric power storage mechanism (510) is any pattern of constant pattern that this first mode selecting unit is used for selecting making electric power to the charging of the said first electric power storage mechanism (510)
Said second selected cell (1000) comprises second mode selecting unit, and it be constant pattern with making electric current to the charging of the said second electric power storage mechanism (520) is any pattern of constant pattern that this second mode selecting unit is used for selecting making electric power to the charging of the said second electric power storage mechanism (520).
19. the control device of electrical system according to claim 18, wherein,
Said first mode selecting unit has like lower unit: be used for being lower than under the situation of threshold value in the residual capacity of the said first electric power storage mechanism (510); It is constant pattern that selection makes the electric power to the charging of the said first electric power storage mechanism (510); Residual capacity in the said first electric power storage mechanism (510) is higher than under the situation of threshold value; It is constant pattern that selection makes the electric current to the charging of the said first electric power storage mechanism (510)
Said second mode selecting unit has like lower unit: be used for being lower than under the situation of threshold value in the residual capacity of the said second electric power storage mechanism (520); It is constant pattern that selection makes the electric power to the charging of the said second electric power storage mechanism (520); Residual capacity in the said second electric power storage mechanism (520) is higher than under the situation of threshold value, and selecting to make the electric current to the charging of the said second electric power storage mechanism (520) is constant pattern.
20. the control device of electrical system according to claim 15, wherein,
Said control device also has like lower unit: be used under the little situation of the minimum value of the electric current that the desired value ratio of the electric current that charges to the said second electric power storage mechanism (520) is exported from said second transformer (420); Control said second transformer (420), feasible intermittently output current.
21. the control device of electrical system according to claim 15, wherein,
Said control unit (1000) comprises like lower unit: be used to control said charger (600), said first transformer (410) and said second transformer (420); Make with the charge mode of the said first electric power storage mechanism (510) and the different mode of charge mode of the said second electric power storage mechanism (520), simultaneously said first electric power storage mechanism (510) and the said second electric power storage mechanism (520) are charged.
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